I must bunk you must bunk he must bunk we must bunk you must bunk they must bunk
V-ing form
I must be bunking you must be bunking he must be bunking we must be bunking you must be bunking they must be bunking
Perfect
I must have bunked you must have bunked he must have bunked we must have bunked you must have bunked they must have bunked
V-ing perfect
I must have been bunking you must have been bunking he must have been bunking we must have been bunking you must have been bunking they must have been bunking
Negation
Simple form
I must not bunk you must not bunk he must not bunk we must not bunk you must not bunk they must not bunk
V-ing form
I must not be bunking you must not be bunking he must not be bunking we must not be bunking you must not be bunking they must not be bunking
Perfect
I must not have bunked you must not have bunked he must not have bunked we must not have bunked you must not have bunked they must not have bunked
V-ing perfect
I must not have been bunking you must not have been bunking he must not have been bunking we must not have been bunking you must not have been bunking they must not have been bunking
Interrogative form
Simple form
must I bunk? must you bunk? must he bunk? must we bunk? must you bunk? must they bunk?
V-ing form
must I be bunking? must you be bunking? must he be bunking? must we be bunking? must you be bunking? must they be bunking?
Perfect
must I have bunked? must you have bunked? must he have bunked? must we have bunked? must you have bunked? must they have bunked?
V-ing perfect
must I have been bunking? must you have been bunking? must he have been bunking? must we have been bunking? must you have been bunking? must they have been bunking?
Interro-negative form
Simple form
must I not bunk? must you not bunk? must he not bunk? must we not bunk? must you not bunk? must they not bunk?
V-ing form
must I not be bunking? must you not be bunking? must he not be bunking? must we not be bunking? must you not be bunking? must they not be bunking?
Perfect
must I not have bunked? must you not have bunked? must he not have bunked? must we not have bunked? must you not have bunked? must they not have bunked?
V-ing perfect
must I not have been bunking? must you not have been bunking? must he not have been bunking? must we not have been bunking? must you not have been bunking? must they not have been bunking?